LITTELFUSE INC /DE — Director's Dealing 2012

May 8, 2012

SEC Form 4/A — Form 4/A

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2012-04-27

Reporting Person: Daniel F Stanek (V.P. & G.M. Custom Products)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-27	Common Stock	A	1690	—	Acquired	4895	Direct
2012-04-29	Common Stock	F	129	$63.09	Disposed	4766	Direct
2012-04-30	Common Stock	F	126	$62.67	Disposed	4640	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-27	Stock Option (Right to Buy)	$63.09	A	5600	Acquired	2019-04-27	Common Stock (5600)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$33.38	2014-07-30	Common Stock (750)	750	Direct
Stock Option (Right to Buy)	$31.01	2015-07-28	Common Stock (4000)	4000	Direct

Footnotes

F1: Value based on the last business day (April 27) before vesting of Restricted Stock Units.

F2: The options vest in increments of one third annually beginning on the first anniversary of the date of grant.